package com.ufgov.zc.client.component.tree;import javax.swing.tree.DefaultMutableTreeNode;public class CheckBoxTreeNode extends DefaultMutableTreeNode {  private static final long serialVersionUID = 3195314943599939279L;  private boolean isChecked = false;  public CheckBoxTreeNode(Object userObject) {    super(userObject);  }  public boolean isChecked() {    return isChecked;  }  public void setChecked(boolean isChecked) {    this.isChecked = isChecked;  }}